Unlike large vessels traveling on the ocean's surface or most other vehicles on the planet, military submarines do not have windows. A submarine's commander can't tell their helmsman to hang a right ...

For most of the submarines' military history, launching a missile of any kind was out of the question. Subs were primarily used throughout much of the 20th century as covert anti-ship vessels capable ...

The U.S. is building 12 Columbia-class submarines armed with ballistic missiles to serve as its sea-based nuclear deterrent ...